CN101863545B - Decolorizing agent for coked waste water and using method thereof - Google Patents
Decolorizing agent for coked waste water and using method thereof Download PDFInfo
- Publication number
- CN101863545B CN101863545B CN2010102154735A CN201010215473A CN101863545B CN 101863545 B CN101863545 B CN 101863545B CN 2010102154735 A CN2010102154735 A CN 2010102154735A CN 201010215473 A CN201010215473 A CN 201010215473A CN 101863545 B CN101863545 B CN 101863545B
- Authority
- CN
- China
- Prior art keywords
- waste water
- decolorizing agent
- percent
- coking chemical
- chemical waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a decolorizing agent for coked waste water and a using method thereof. Based on 1 cubic meter of waste water to be treated, 300 to 1,500 grams of bentonite powder, 50 to 150 grams of iron salt, 10 to 120 grams of aluminum salt and an appropriate amount of lime milk are added into the decolorizing agent to adjust the PH value of neutralized solution to between 6 and 9. Compared with the prior art, the decolorizing agent has the advantages of effective removal of coloring matters and other impurities in the coked waste water, remarkable purifying effect, large flocs, high alum floc sedimentation velocity, dense sludge and separation by sand filtering or plate and frame filter pressing and other methods. After being applied repeatedly, the decolorizing agent is proved to have good repeatability. The decolorizing agent has a color removing rate of over 90 percent for waste water drained in a later stage of biochemical treatment, over 20 percent for soluble COD and over 50 percent for insoluble COD.
Description
Technical field
The invention belongs to discoloring agent and method of use thereof, belong to the discoloring agent and the method for use thereof that are used for coking chemical waste water especially.
Background technology
Present domestic coking chemical waste water all takes biological process to handle the back discharging, and this type of technology is one of general technology of present coking industry, but because the coking chemical waste water complicated component; Biology reduction property is poor, and outer draining is Vandyke brown, so need decolouring; General discoloring agent is a gac in the industry; But because the gac absorption rate is slow, consumption is big, the regeneration of activated carbon difficulty after using, and use cost is generally greater than 20 yuan/m
3, do not possess generalization; Domestic minority enterprise and external industry are partly used such waste water of oxidative treatment, have mainly taked two types of oxygenants: the one, and potassium permanganate, the about 9-15 unit/m of processing cost
3, and the manganese element residue problem is arranged; The 2nd, ozone, every processing 1m
3Coking chemical waste water need be produced 1-2kg ozone, and more than the power consumption 50kwH, processing cost surpasses 20 yuan/m
3, and investment is big, and the maintenance of the equipment workload is big, and maintenance cost is high.
Summary of the invention
The 1st technical problem to be solved by this invention provides a kind of low cost, is used for the discoloring agent of coking chemical waste water fast.
The 2nd technical problem to be solved by this invention is the method for use of above-mentioned discoloring agent.
The technical scheme of technical solution problem of the present invention is: be used for the discoloring agent of coking chemical waste water, by handling every m
3Waste water calculates, and need add 300-1500g otaylite powder, the 50-150g molysite, and 10-120g aluminium salt, milk of lime is an amount of, so that the solution pH value after the neutralization is 6-9.
The granularity of described otaylite powder is 0.015mm-0.050mm, and the percent of pass of 0.045mm standard sieve is not less than 75%, and the weight content of smectite is not less than 60%.
Described molysite is ferric sulfate, ferrous sulfate or bodied ferric sulfate.
Described aluminium salt is Tai-Ace S 150, aluminum chloride or polyaluminium sulfate.
In order to strengthen decoloration process, also can in discoloring agent, add the dust separating carbon fine powder that contains in coke-oven plant.
The described carbon fine powder that contains, its composition is similar with coke powder, is porous material, and the good adsorption effect is arranged.
Method of use of the present invention is: the otaylite powder is dispersed in the coking chemical waste water, adds the mixed solution of molysite, aluminium salt, slaking 3-5 minute; Add milk of lime, the pH value of control solution is 6-9, stirs; Molysite, aluminium salt generation hydrolysis form alumen ustum, and deposition is filtered and can be accomplished purification.
The present invention adds molysite, aluminium salt through coking chemical waste water; Through adding the pH value of milk of lime regulator solution, quicken the hydrolysis of molysite, aluminium salt, make it generate the great colloidal adsorptive of specific area; Coloring matter in the coking chemical waste water and other impurity are carried out strong adsorption; Utilize under the collaborative and katalysis of otaylite powder, rapid precipitation, thus accomplish decolouring and purify.
When above-mentioned discoloring agent is applied to the coking chemical waste water pre-treatment; Can significantly reduce phenols, the nitrile pollutent of the especially toxic property of pollutent in the processed waste water; Reduce pollution load and toxic that biochemical process is handled, help the steady running and reduction running cost of biochemical process treatment process.
The present invention compared with prior art, the coloring matter in the effective elimination coking chemical waste water and other impurity, Water purification is obvious, flco is thick and the alumen ustum settling velocity is fast, the mud of formation belongs to dense form, can separate through sand filtration or filter press and other mode.Through repeatedly using favorable reproducibility.The decreasing ratio of the chroma in waste water that the biochemical treatment later stage is effluxed surpasses more than 90%, and solubility COD decreasing ratio is surpassed 20%, and insoluble COD decreasing ratio is surpassed 50%.
Embodiment
Below in conjunction with embodiment the present invention is done detailed explanation.
The waste water that the used coking chemical waste water of the present invention effluxes after handling for the biochemical process facility, its technical indicator sees attached list 1.
Embodiment 1:
The percent of pass of 0.045mm standard sieve is not less than 75%, and the weight content of smectite is not less than 60% otaylite powder and is dispersed in the coking chemical waste water, adds the mixed solution of ferric sulfate, Tai-Ace S 150; Slaking 3 minutes adds milk of lime, and the pH value of control solution is 6-9; Stirred precipitate and separate 5 minutes; In every cubic metre the coking chemical waste water, add the otaylite powder of 300g, the ferric sulfate of 50g, the Tai-Ace S 150 of 30g.
Embodiment 2:
The percent of pass of 0.045mm standard sieve is not less than 75%, and the content of smectite is not less than 60% otaylite powder and is dispersed in the coking chemical waste water, adds the mixed solution of bodied ferric sulfate, aluminum chloride; Slaking 4 minutes adds milk of lime, and the pH value of control solution is 6-9; Stirred precipitate and separate 5 minutes; In every cubic metre the coking chemical waste water, add the otaylite powder of 800g, the bodied ferric sulfate of 100g, the aluminum chloride of 80g.
Embodiment 3:
The percent of pass of 0.045mm standard sieve is not less than 75%; The weight content of smectite is not less than 60% otaylite powder and is dispersed in the coking chemical waste water, adds the mixed solution of bodied ferric sulfate, polyaluminium sulfate, slaking 5 minutes; Add milk of lime; The pH value of control solution is 6-9, stirs precipitate and separate 5 minutes; In every cubic metre the coking chemical waste water, add the otaylite powder of 1500g, the bodied ferric sulfate of 150g, the polyaluminium sulfate of 120g.
The technique effect of the embodiment 1-3 that the present invention is made is following:
Table 1 coking chemical waste water decolouring treatment effect
Embodiment 4:
The percent of pass of 0.045mm standard sieve is not less than 75%, and the weight content of smectite is not less than 60% otaylite powder and is dispersed in the coking chemical waste water, adds the carbon containing dedusting ash; The mixed solution that adds bodied ferric sulfate, polyaluminium sulfate; Slaking 5 minutes adds milk of lime, and the pH value of control solution is 6-9; Stirred precipitate and separate 5 minutes; In every cubic metre the coking chemical waste water, add carbon containing dedusting ash 1000-2000g, the otaylite powder of 1500g, the ferrous sulfate of 150g, the polyaluminium sulfate of 50g.
The composite waste that embodiment 4 is used for handling coking production.Technical indicator is seen table 2.
Table 2 coking production composite waste treatment effect
Can know from table 2; When present method is applied to the biochemical process pre-treatment of coking chemical waste water; Effect is quite remarkable; Can significantly reduce phenols, the nitrile pollutent of the especially toxic property of pollutent in the processed waste water, reduce pollution load and toxic that biochemical process is handled, help the steady running and reduction running cost of biochemical process treatment process.Also be very beneficial for handling the qualified discharge of back coking chemical waste water.
Embodiment 4 shows, the present method and the biochemical process of present Treatment of Coking Effluent are joined together to use, and great using value is arranged; Can reduce the discharging of pollutent; Effectively raising effluxes water quality, remedies the defective of single treatment process, and can reduce user's running cost.
The mud that this technology produces has certain cohesiveness, can return the coal blending operation, mixes coking in the coal dust, and is less because of the total amount of mixing, and generally can not exert an influence to master operation, also meets current environmental protection policy.
Claims (2)
1. be used for the method for use of the discoloring agent of coking chemical waste water, it is characterized in that: the otaylite powder is dispersed in the coking chemical waste water, adds the mixed solution of molysite, aluminium salt; Slaking 3-5 minute, add milk of lime, the pH value of control solution is 6-9; Stir; Molysite, aluminium salt generation hydrolysis form alumen ustum, deposition, and filtration can be accomplished purification;
By handling every m
3Waste water calculates, and need add 300-1500g otaylite powder, the 50-150g molysite, and 10-120g aluminium salt, milk of lime is an amount of;
Described molysite is ferric sulfate, ferrous sulfate or bodied ferric sulfate;
Described aluminium salt is Tai-Ace S 150, aluminum chloride or polyaluminium sulfate.
2. the method for use that is used for the discoloring agent of coking chemical waste water according to claim 1; It is characterized in that: the granularity of described otaylite powder is 0.015mm-0.050mm; 0.045mm the percent of pass of standard sieve is not less than 75%, the weight content of smectite is not less than 60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102154735A CN101863545B (en) | 2010-06-30 | 2010-06-30 | Decolorizing agent for coked waste water and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102154735A CN101863545B (en) | 2010-06-30 | 2010-06-30 | Decolorizing agent for coked waste water and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101863545A CN101863545A (en) | 2010-10-20 |
| CN101863545B true CN101863545B (en) | 2012-09-05 |
Family
ID=42955517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102154735A Active CN101863545B (en) | 2010-06-30 | 2010-06-30 | Decolorizing agent for coked waste water and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101863545B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923833A (en) * | 2012-10-10 | 2013-02-13 | 临安天川环保科技有限公司 | Dephosphorization mixture and application thereof |
| CN104291425B (en) * | 2014-11-10 | 2016-06-29 | 北京泛博化学股份有限公司 | The special flocculating decoloring agent of fur coat oxidising dyeing sewage and preparation method |
| CN105000640A (en) * | 2015-06-18 | 2015-10-28 | 中环辽宁工程技术股份有限公司 | Experimental method for preparation of poly-iron-based flocculating agent for coking wastewater advanced treatment |
| CN114524497B (en) * | 2022-04-22 | 2022-07-01 | 泉州市颖秀科技发展有限公司 | Hair waste sewage treatment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085192A (en) * | 1992-09-29 | 1994-04-13 | 赵永新 | The preparation of high-efficiency compound water purifying agent and application thereof |
| CN1227192A (en) * | 1998-02-24 | 1999-09-01 | 曾兆祥 | Compound coagulant for waste water treatment and its usage |
| EP1344564A2 (en) * | 2002-03-12 | 2003-09-17 | Bayer Ag | Mixtures of adsorbent materials |
| CN101254994A (en) * | 2008-03-25 | 2008-09-03 | 浙江华特新材料股份有限公司 | Mineral complex sewage treating method |
| CN101618900A (en) * | 2009-08-10 | 2010-01-06 | 浙江商达水务有限公司 | Inorganic flocculating agent for treating waste water during carpet production |
-
2010
- 2010-06-30 CN CN2010102154735A patent/CN101863545B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085192A (en) * | 1992-09-29 | 1994-04-13 | 赵永新 | The preparation of high-efficiency compound water purifying agent and application thereof |
| CN1227192A (en) * | 1998-02-24 | 1999-09-01 | 曾兆祥 | Compound coagulant for waste water treatment and its usage |
| EP1344564A2 (en) * | 2002-03-12 | 2003-09-17 | Bayer Ag | Mixtures of adsorbent materials |
| CN101254994A (en) * | 2008-03-25 | 2008-09-03 | 浙江华特新材料股份有限公司 | Mineral complex sewage treating method |
| CN101618900A (en) * | 2009-08-10 | 2010-01-06 | 浙江商达水务有限公司 | Inorganic flocculating agent for treating waste water during carpet production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101863545A (en) | 2010-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103803754B (en) | A kind for the treatment of process of Dye acidic waste water and device | |
| CN104261536B (en) | For quickly removing the efficient flocculant of heavy metal in water | |
| WO2013123780A1 (en) | Advanced treatment method for biochemical tail water of coking wastewater | |
| CN101475252A (en) | Integrated method for processing arsenic-containing wastewater by using iron composite bentonite | |
| CN107417004A (en) | A kind of method of advanced treating acid waste water containing thallium | |
| CN101863545B (en) | Decolorizing agent for coked waste water and using method thereof | |
| CN112811663A (en) | High-concentration chromium-containing wastewater treatment method for reducing sludge production | |
| CN109604312A (en) | A kind of method of trap heavy metals during flying dust water-washing pre-treatment | |
| CN106336038A (en) | Treatment method for heavy metal-containing polluted wastewater | |
| CN105692828B (en) | The methods and applications of polysilicate sulfuric acid ferric flocculant are prepared with niobium-tantalum ore waste residue | |
| Yi et al. | Phosphate removal of acid wastewater from high-phosphate hematite pickling process by in-situ self-formed dynamic membrane technology | |
| CN102976518A (en) | Method for simultaneously purifying electroplating wastewater, printing and dyeing wastewater and chemical industrial organic wastewater | |
| CN112158932B (en) | Magnetic zero-valent iron polyaluminum chloride composite flocculant and preparation method and application thereof | |
| CN113797893A (en) | Phosphorus removing agent, preparation method thereof and treatment method of phosphorus-containing sewage | |
| CN112759138A (en) | Method for removing oil stain in oily wastewater | |
| CN102079563B (en) | Regenerative coagulant, and preparation method and using method thereof | |
| CN102060415B (en) | Method for treating domestic waste leachate tail water in adsorption-coagulation way | |
| CN105384286B (en) | A kind of processing method of industrial wastewater recycling | |
| CN111995145A (en) | Heavy metal-containing waste liquid treatment method and system | |
| CN1356269A (en) | Rectorite adsorbent for treating waste water and its preparing process | |
| CN102284464A (en) | Harmless disposal method for stainless steel acid washing residues | |
| CN116328729A (en) | Modified lignin-based biochar material, preparation method thereof and application thereof in wastewater defluorination | |
| CN109368753A (en) | A kind of preparation method of compound frerrous chloride flocculant | |
| CN101830547B (en) | Specific treating agent for carbonated water and preparation method thereof | |
| CN113830850B (en) | A kind of smelting wastewater deep thallium removal collector and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20101020 Assignee: ANHUI XINCHUANG ENERGY-SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Assignor: Ma'anshan Iron and Steel Co., Ltd. Contract record no.: 2013340000076 Denomination of invention: Decolorizing agent for coked waste water and using method thereof Granted publication date: 20120905 License type: Exclusive License Record date: 20130527 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Patentee after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Ma'anshan, Anhui Patentee before: Ma'anshan Iron and Steel Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Patentee after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Patentee before: Ma'anshan Iron and Steel Co., Ltd. |